Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6fc13066caf5c4d81398367ebac66b4e2d38ba5871d5c22739d29414c1cefd71:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^